Comparison VSI and PWM drives in an aluminum rolling mill ingot preheating application

Author

Kielsow, J.T. ; Turczynski, Mark T.

Author_Institution

Aluminum Co. of America, Davenport, IA, USA

fYear

1991

fDate

Sept. 28 1991-Oct. 4 1991

Firstpage

1157

Abstract

Rising concern about work environments and power system efficiency has prompted careful evaluation of adjustable speed drive applications. A case study is presented from data collected in a large industrial facility. A brief description of the process precedes comparisons of pulsewidth modulated (PWM) variable frequency drives to six-step voltage source (VSI) variable frequency drives on a variable torque load. The two types of drive are installed in similar systems. Motor acoustical noise and harmonic current injection into the power distribution system are examined. Test methods and results are discussed.<>

Keywords

aluminium; electric drives; pulse width modulation; rolling mills; 6-step voltage source drives; Al rolling mills; PWM drives; VSI drives; acoustic noise; harmonic current injection; ingot preheating; power system efficiency; variable frequency drives; variable torque load; Acoustic pulses; Aluminum; Frequency; Industrial plants; Industrial power systems; Milling machines; Pulse power systems; Pulse width modulation; Space vector pulse width modulation; Variable speed drives;

fLanguage

English

Publisher

ieee

Conference_Titel

Industry Applications Society Annual Meeting, 1991., Conference Record of the 1991 IEEE

Conference_Location

Dearborn, MI, USA

Print_ISBN

0-7803-0453-5

Type

conf

DOI

10.1109/IAS.1991.178009

Filename

178009